Could you please examine the attached project where a custom DragAndDrop
logic is demonstrated. Basically, you can drag and drop from one tree to another, but you cannot drag and drop from one tree to itself. If the solution doesn`t satisfies you, we would highly appreciated if you send us a sample demonstrating the issue you have come up with. This way we could investigate in depth and provide you with a better advice. Thank you in advance for your cooperation.
All the best,
the Telerik team
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